高中英语 Unit 4 Astronomythe science of the stars单元重点小结课件 新人教版必修3

1、单元重点小结,重点单词,重点短语,重点句型,重点语法,交际功能,1. n.天文学 n.天文学家 2. n.球体;地球仪;地球 adj.全球性的;全世界的 3. adj.猛烈的;激烈的;强暴的 n.暴力 adv.猛烈地 4. prep.与不同;不像(反义词) prep. v.难题 adj.迷惑不解的 8. n.生物学 n.生物学家 adj.生物学的,astronomy,astronomer,globe,global,violent,violence,violently,unlike,like,dislike,harmful,harm,exist,existence,puzzle,puzzled,

2、biology,biologist,biological,重点单词,重点短语,重点句型,重点语法,交际功能,9. n.物理学家 adj.物理学的 n.物理,物理学,physicist,physical,physics,重点单词,重点短语,重点句型,重点语法,交际功能,1.及时;终于 2.下蛋 3.产生;分娩 4.轮到某人 5.阻止;制止 6.感到高兴;感到振奋 7.既然 8.突发;爆发 9.密切注意;当心;提防,in time,lay eggs,give birth to,in ones turn,prevent .from,cheer up,now that,break out,watch

3、out for,重点单词,重点短语,重点句型,重点语法,交际功能,1.地球(开始)变得如此激烈动荡以至不知道这种形状是否会继续存在下去。 the earth became it was not clear whether the shape would last or not. 2.这就产生了一系列的反应,使得生命有可能开始发展了。 this produced a chain reaction, for life to develop. 3.所以,在未来的数百万年中,生命能否在地球上延续取决于这个问题能否得到解决。 so on the earth for millions of years t

4、o come will depend on .,so violent that,which made it possible,whether life will continue,whether this problem can be solved,重点单词,重点短语,重点句型,重点语法,交际功能,4.但我试着向前迈步的时候,我发觉自己被送出去很远,步子的跨度竟是在地球上的两倍,因而我摔倒了。 but when i tried to step forward,i found i was carried on the earth and fell over.,twice as far as,重点

5、单词,重点短语,重点句型,重点语法,交际功能,主语从句 what it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. .it was not clear whether the shape would last or not. what is even more important is that as the earth cooled down,water began to appear on its surface. it was not immediately obvious that water was to be fundamental to the development of life.,重点单词,重点短语,重点句型,重点语法,交际功能,指示(instructions) please pay attention to .please check that .please look at .